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Stock-based compensation (Tables) | 12 Months Ended
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Dec. 31, 2020
Share-based Payment Arrangement [Abstract] |
Schedule of Changes in Restricted Stock Units | The following table summarizes information about the changes in restricted stock units as of and for the year ended December 31, 2020:
|  | Restricted Stock Units Outstanding |  | Weighted Average Grant Date Fair Value |  |  |  |
Balance at beginning of period |  | 826,263 |  |  | $ | 23.76 |  |  |  |  |
Granted(1) |  | 420,521 |  |  | 31.35 |  |  |  |  |
Vested |  | (177,581) |  |  | 31.64 |  |  |  |  |
Forfeited |  | (22,132) |  |  | 33.20 |  |  |  |  |
Balance at end of period |  | 1,047,071 |  |  | $ | 26.06 |  |  |  |  |
(1) Includes 118,776 restricted stock units issued in replacement of those initially granted by Franklin. See Note 2, "Mergers and acquisitions" for additional information.

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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